Correct TPS Horizontal or Vertical Connector?
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Car: 1988 Firebird Formula
Engine: 305 (LO3)
Transmission: 5 spd manual
Correct TPS Horizontal or Vertical Connector?
This is the Throttle body on my car, 17088028, which is correct for '88. I also have another throttle body, 17089062, which is correct for '89-'90, removed from a car in a junk yard early 2000s. Both have the horizontal connector version of the TPS.
The ACDelco 213-905, which is indicated as the replacement for my '88, has a vertical connector, according to the product picture. Many of the other generic replacements are vertical as well, but some are horizontal. I'm being told that vertical is correct but I'm skeptical that it will fit under the air cleaner. So, what is correct?
The ACDelco 213-905:
The ACDelco 213-905, which is indicated as the replacement for my '88, has a vertical connector, according to the product picture. Many of the other generic replacements are vertical as well, but some are horizontal. I'm being told that vertical is correct but I'm skeptical that it will fit under the air cleaner. So, what is correct?
The ACDelco 213-905:
#3
Re: Correct TPS Horizontal or Vertical Connector?
Is this what you mean by "horizontal" versus "vertical"? I'd have said "flat-" versus "round"-body connector.
Use the TPS that fits your wire harness.
My '88 uses the flat (horizontal) connector, not the round (vertical) connector--although there's wire harness adapters to convert one to the other.
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Car: 1988 Firebird Formula
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Re: Correct TPS Horizontal or Vertical Connector?
No, one is not round. You can see what I mean in the pictures I included. Same connector style, different orientation.
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Car: 1988 Firebird Formula
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Re: Correct TPS Horizontal or Vertical Connector?
I haven't, yet. Thanks. Any idea if new ACDelco is available? Digging through eBay, I found NOS GM 17111725 and 17111787. No idea if either is correct. The apparent difference is that one is adjustable and the other is not.
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Re: Correct TPS Horizontal or Vertical Connector?
This is the Throttle body on my car, 17088028, which is correct for '88. I also have another throttle body, 17089062, which is correct for '89-'90, removed from a car in a junk yard early 2000s. Both have the horizontal connector version of the TPS.
The ACDelco 213-905, which is indicated as the replacement for my '88, has a vertical connector, according to the product picture. Many of the other generic replacements are vertical as well, but some are horizontal. I'm being told that vertical is correct but I'm skeptical that it will fit under the air cleaner. So, what is correct?
The ACDelco 213-905:
The ACDelco 213-905, which is indicated as the replacement for my '88, has a vertical connector, according to the product picture. Many of the other generic replacements are vertical as well, but some are horizontal. I'm being told that vertical is correct but I'm skeptical that it will fit under the air cleaner. So, what is correct?
The ACDelco 213-905:
RBob.
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Car: 1988 Firebird Formula
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Re: Correct TPS Horizontal or Vertical Connector?
I don't think there is a whole lot of room for the vertical one. The connector also does not seem like it would reach without putting strain on the wires, if it reached at all.
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Re: Correct TPS Horizontal or Vertical Connector?
Very well may be. I did some checking on RockAuto concerning the two TPS units. As you mentioned the unit with the horizontal connector is correct for the '88 - '90 TB (note that many TBI trucks use this same one). While the unit with the vertical connector appears to be for the '85 - '89 TPI.
As @mecham84 posted, the Standard TH39 is what RockAuto lists for the '88 - '90 TBI.
RBob.
As @mecham84 posted, the Standard TH39 is what RockAuto lists for the '88 - '90 TBI.
RBob.
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